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A Study to Confirm if Fezolinetant Helps Reduce Hot Flashes in Japanese Women Going Through Menopause

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NCT06206408

Sponsored by Astellas Pharma Inc (industry) · 4503.T — their whole pipeline →.

Phase
Phase 3
Status
Completed
Study type
Interventional
Design
Randomized · Triple · Treatment
Enrollment
410actual
Sites
64
Country
Japan

Every value on this page is a field the sponsor filed with ClinicalTrials.gov, reproduced. Dates are their own estimates, revised as a study runs, unless the registry marks them actual. sources →

Source: ClinicalTrials.gov, retrieved 2026-08-19

Dates

each axis at the precision it was filed, with the registry's own basis
DateFiledBasisWhat it is
Start2024-02-16actualWhen the study began enrolling
Primary completion2025-10-22actualThe date the last participant is measured for the primary outcome — the readout window
Study completion2025-12-18actualThe whole study's end, after follow-up
First posted2024-01-16actualWhen this record first appeared on the registry
Results postedWhen the sponsor posted results to the registry
Record updated2025-12-23actualThe sponsor's own last edit to this record — every projection above is as current as this date

What it studies

Condition

  • Hot Flashes

Interventions

  • Drug: Fezolinetant — also filed as ESN364;, VEOZAH™
  • Drug: Placebo

Primary outcome

what the primary-completion date above is the date OF
Mean change from baseline in the frequency of mild to severe vasomotor symptoms (VMS)
measured Baseline and Week 8

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